Related Clues:

• Peevishness
• O. Henry's specialty
• O. Henry's twist
• Fat digester
• 'Bitter' humor
• Extreme bitterness
• Sardonic literary style
• Sardonic style
• Literary surprise
• Sardonic literary tactic
• Liver product
• Satire, perhaps
• Adolph Coors III's allergy to beer, e.g.
• Dramatic device
• Swift quality